| Castanet-Tolosan to Ingre | 304.76 mi (490.47 km) |
| Castanet-Tolosan to Irigny | 221.27 mi (356.09 km) |
| Castanet-Tolosan to Isbergues | 493.15 mi (793.65 km) |
| Castanet-Tolosan to Issoire | 164.56 mi (264.83 km) |
| Castanet-Tolosan to Issoudun | 238.38 mi (383.64 km) |
| Castanet-Tolosan to Issy-les-Moulineaux | 368.62 mi (593.23 km) |
| Castanet-Tolosan to Istres | 174.93 mi (281.52 km) |
| Castanet-Tolosan to Ivry-sur-Seine | 368.05 mi (592.31 km) |
| Castanet-Tolosan to Jarville-la-Malgrange | 421.35 mi (678.09 km) |
| Castanet-Tolosan to Jeumont | 484.14 mi (779.15 km) |
| Castanet-Tolosan to Joigny | 321.88 mi (518.02 km) |
| Castanet-Tolosan to Joinville-le-Pont | 369.54 mi (594.72 km) |
| Castanet-Tolosan to Joue-les-Tours | 268.10 mi (431.47 km) |
| Castanet-Tolosan to Jouy-le-Moutier | 380.56 mi (612.44 km) |
| Castanet-Tolosan to Juvignac | 115.92 mi (186.56 km) |
